Thanks for following up! If you don't mind switching back to 'Intel (Power saving mode)' and testing again, that would be helpful. When you do that, can you please test an upstream build (downloaded from https://www.mozilla.org/en-US/firefox/download/thanks/) to see whether it's an Ubuntu-specific problem?
Thanks for following up! If you don't mind switching back to 'Intel (Power saving mode)' and testing again, that would be helpful. When you do that, can you please test an upstream build (downloaded from https:/ /www.mozilla. org/en- US/firefox/ download/ thanks/) to see whether it's an Ubuntu-specific problem?
Otherwise, feel free to close the bug.